D grade
protocol-mismatch
60 score
2117 ms
0.0% uptime over 3 measured probes
AS13335 CLOUDFLARENET - Cloudflare, Inc., US · AE
https://kairostamp.com/
x402 first seen 2026-09-08 · last seen 2026-09-10 · json
Listed in
| source | name | description | external id |
|---|---|---|---|
| agent-tools.cloud | Kairostamp | Paid machine-to-machine web evidence API. Fetches one public http/https URL server-side and returns a time-stamped, tamper-evident receipt; the change-check end | x402:kairostamp |
Same host
a2a × 1 agents-txt × 1 ard × 1 llms-txt × 1 · 1 alive robots × 1 · 1 alive sigdir × 1 x402 × 10 · 8 alive
Badge
embed:
<a href="https://agentprobe.org/endpoint/3908927"><img src="https://agentprobe.org/badge/3908927.svg" alt="agentprobe"></a>
Probe history
| probed (UTC) | outcome | score | status | http | ms | version | capabilities | error |
|---|---|---|---|---|---|---|---|---|
| 2026-09-10 09:15 | protocol-mismatch | 60 | 200 | HTTP/1.1 | 2117 | detailsmeta {"final_url":"https://kairostamp.com/","http_version":"HTTP/1.1","vantage":"us-east-1"} | no 402 — resource is open or x402 not enforced | |
| 2026-09-09 08:22 | protocol-mismatch | 60 | 200 | 2363 | detailsmeta {"final_url":"https://kairostamp.com/","vantage":"us-east-1"} | no 402 — resource is open or x402 not enforced | ||
| 2026-09-08 07:47 | connect-fail | 360 | detailsmeta {"vantage":"us-east-1"} | WriteError: |